Players have to check every survivor that goes through the entrance checkpoint to a safe quarantine area in Quarantine Zone: The Last Check. However, the checkpoint area isn’t the only zone that they’ll have to manage. They must decide which upgrades to buy for the entire base and how to best distribute their money in order to keep the area zombie-free and the survivors alive, all while managing resources.
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This guide will tell players how they can make as much money as possible in Quarantine Zone: The Last Check in order to quickly upgrade their base. Additionally, it also lists every survivor base building upgrade, including the list of requirements to unlock each one.
How to Get More Money in Quarantine Zone: The Last Check
Besides having to earn tons of Research Points to increase their zone level, players will need thousands of dollars to fully upgrade all of the buildings in their base in Quarantine Zone: The Last Check. Below, players can check how much money they will earn from each task in Quarantine Zone, so they can decide which ones are worth their time when it comes to farming money:
Task
Reward
Note
Complete Bulletin Board task
$1,200
Max 1 per day
Send survivor to the Survivor Block
$400
Work the checkpoint
Send infected survivor to Liquidation
$400
Work the checkpoint
Confiscate contraband
$100
Check survivor backpacks
Confiscate collectible
$500 (+$100 for contraband)
Check survivor backpacks (rare drop)
Zombie kills
$75
Check the tower by the Defense Center
Rat kills
$25
Tend to spawn near checkpoints or tents
Send 5 survivors to the Military Truck
$1,000
Only available on Evacuation Day
Send 10 survivors to the Military Truck
$1,000 (+$1,000 from previous tier)
Only available on Evacuation Day
Send 14 survivors to the Military Truck
$1,000 (+$2,000 from previous tiers)
Only available on Evacuation Day
Send 18 survivors to the Military Truck
$1,000 (+$3,000 from previous tiers)
Only available on Evacuation Day
Send 22 survivors to the Military Truck
$1,000 (+$4,000 from previous tier)
Only available on Evacuation Day
How to Avoid Losing Money in Quarantine Zone: The Last Check
Lastly, if players want to keep making a profit in Quarantine Zone, they must make sure that they avoid making mistakes, such as letting infected onto the Survivor Block, confiscating the wrong equipment or infected parts, letting quarantined survivora die at the hands of a zombie, or killing innocents.
All Survivor Base Building Upgrades in Quarantine Zone: The Last Check
There are nine buildings to upgrade on the player’s base. Upgrades will progressively become available as players increase their current zone level. Here is each upgrade available for each building:
Generator
The generator is necessary to keep the power on all over camp.
Upgrade Level
Description
Max Fuel
Power Output
Requirements to Unlock
Generator 1
An old salvaged unit. Produces minimal power per fuel canister.
42
12
Generator 2
A reliable starter model. Generates a small but steady amount of power.
60
20
Generator 3
Balanced output and fuel efficiency. The workhorse of the base.
78
22
Battery
Keeps the system running for one minute during a power outage.
78
26
Zone Level III
Generator 3 upgrade
$2,500
Generator 4
Upgraded engine with improved fuel efficiency and higher power output.
96
32
Generator 5
Top-tier model capable of powering the entire base. Maximum efficiency per fuel canister.
120
27
Solar Panels
Generates clean, free power.
120
27
Canteen
Players need enough food and canteen seats to keep their survivors fed.
Upgrade Level
Description
Power consumption
Seats in Canteen
Max Food in Canteen
Requirements to Unlock
Canteen 1
Feeds up to 12 people per day.
1
12
40
Hydroponics
Passively creates 8 units of food per day.
2
12
40
Canteen 2
Extended canteen. Feeds up to 20 people per day.
3
20
60
Canteen 3
Huge canteen. Feeds up to 36 people per day.
4
36
180
Clinic
Players need enough medkits to heal all sick survivors and prevent deaths on camp.
Upgrade Level
Description
Power consumption
Max Med Kits
Requirements to Unlock
Medical Tent Area
Treats up to 10 sick people per day.
1
15
Clinic
Treats up to 25 sick people per day.
2
25
Pharma Generator
Produces 5 med kits per day.
3
25
Tents
If players want to increase the number of survivors on their camp, they must have enough tents to house them until evacuation day.
Upgrade Level
Description
Power consumption
Max Beds
Requirements to Unlock
Tents 1
Capacity for 12 people.
1
12
Tents 2
Capacity for 15 people.
2
15
Tents 3
Capacity for 18 people.
3
18
Tents 4
Capacity for 21 people.
4
21
Tents 5
Capacity for 25 people.
5
25
Security Tower
Necessary defense building to keep survivors alive.
Upgrade Level
Description
Requirements to Unlock
Security Tower Foundation
Foundations for a future security tower.
Security Tower 1
Automated defense post that eliminates infected entering the block. Reduces casualties during outbreaks.
Security Tower 2
Twice the effectiveness – and twice the noise.
Laboratory
The lab is one of the Distribution Zones in Quarantine Zone: The Last Check. It is here that players conduct experiments to find new symptoms.
Upgrade Level
Description
Power consumption
Requirements to Unlock
Laboratory
An expensive scientific module used to research new symptoms.
1
Zombie Cage
A containment unit for infected subjects. Do not allow power to fail.
2
Auto-Feeder
Automatically converts corpses into nutrient paste to sustain the subject.
3
Quarantine
If players aren’t sure if a survivor is sick or infected, they must send them to quarantine to monitor their symptoms. As demain at the checkpoint increases, players will need to increase the capacity of this zone.
Upgrade Level
Description
Power consumption
Requirements to Unlock
Quarantine 1
Capacity for 3 people.
1
Quarantine 2
Capacity for 4 people.
2
Quarantine 3
Capacity for 5 people.
3
Quarantine 4
Capacity for 6 people.
4
Quarantine 5
Capacity for 7 people.
5
Checkpoint
Players can improve the checkpoint to make their job easier and ensure that they don’t make mistakes while checking for symptoms in Quarantine Zone: The Last Check.
Upgrade Level
Description
Power consumption
Requirements to Unlock
Checkpoint
Zone for checking and distributing survivors.
1
Metal Detector
Alerts if metal is detected in baggage.
2
Gunpowder Detector
Alerts if gunpowder is detected in baggage.
3
Zone Level II
Metal Detector upgrade
$1,500
Chemical Detector
Alerts if pills or narcotics are detected in baggage
4
Rot Detector
Alerts if rotten or infected metal is detected in baggage.
5
Zone Level IV
Chemical Detector upgrade
$2,000
Symptom Scanner
Displays the symptom types suspected for this survivor. A suspected symptom doesn’t always mean it is present.
6
Power consumption will increase with each upgrade. If players purchase all optional upgrades, they will also increase power consumption in the building.
Defense Center
The Defense Center is where the defense drones are kept whenever there is an attack near the checkpoint entrance.
Upgrade Level
Description
Power consumption
Requirements to Unlock
130mm Cannon
Heavy artillery. Delivers powerful strikes on large targets. Limited ammo, high impact.
1
Ability Accelerator
Reduces ability cooldowns by 30 percent.
2
Soldiers
Several soldiers stationed along the wall to assist in shooting zombies during attacks.
3
Released
January 12, 2026
Developer(s)
Brigada Games
Number of Players
Single-player
Steam Deck Compatibility
Unknown
